Turner said: "Ross is not entirely sure what has or hasn’t happened with Hugh and Demelza but regardless, this affects him a lot because he realises there were more emotions involved than if it was just a fleeting attraction.

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"He sees that Demelza has fallen for Hugh and he understands what this is about because he has been through the same experience with Elizabeth. He knows it is complicated and that there is a lot at stake.

"Ross doesn’t want to lose Demelza, he realises how fragile their relationship is and how awfully he has treated her and what it feels like to be at the other end of that, which is something he has never experienced before.

"Ross sometimes needs those wake up calls as he is not always aware how he effects other people and it isn’t until something happens where the tables are turned and he is confronted with that same action himself that he realises what he has done.

"Emotionally Ross has always been inarticulate, he is not always sure how to talk about his feelings and this is difficult for him because he doesn’t know quite what to say.

"At heart he knows that Hugh is a good man and Demelza is someone he not only loves but also greatly admires so it is a wakeup call for him and it is very difficult. He is confused by all of that and he feels scared to lose her and his family, so it is a very tentative time."

He continued: "This series they spend weeks apart whilst Ross is in London which was strange as they are usually together so often and during filming there were huge gaps where Eleanor and I didn’t see each other so it felt like it played out for real. When we did get back together, when Ross invites Demelza to London and they spend a week there together, it was lovely to reunite.

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"It felt like their second honeymoon, they go out on boats and they go the Vauxhall pleasure gardens and to the theatre and meet up with friends and it felt like the early days of their relationship.

"They didn’t really get to do any of that in the first place so it felt like something was reignited there. It was nice for Ross to have fun again with Demelza, and to find that love again was important because that had been lost for quite a while.

"They have been through so much and they have allowed themselves to get really bogged down with life so much so that they forgot to have a good time in between but they find that again this series which was lovely."